As far back as the early nineties, BMW offered memory seating, marking a new application for electronic control units. While these systems have become more complex, service procedures remain straightforward.
Getting all that awesome BMW power to the ground is no easy task. The 4WD BMW X5 has been around for a decade now, and a few years ago BMW introduced a 4WD 3 Series sedan. Let’s look at how these systems work.
BMW’s quest to make vehicles stronger, lighter and more fuel-efficient is never ending. In order to achieve these goals, new ways of thinking and new materials are necessary. That translates into new repair procedures.
We were always taught 14.7:1 was the perfect ratio of air to fuel. Well, with the need to improve fuel economy and decrease harmful emissions, leaner air/fuel ratios are required. How is the PCM going to determine how lean is lean?
BMW vehicles are continually sprouting new electrical and electronics circuits, including different sensors, CAN data buses and fiber optics. So, the ability to follow and interpret wiring diagrams is becoming more and more important if you’re going to keep servicing these super-computers on wheels.
Being in the luxury segment means BMW vehicles provide great creature comforts as well as high performance. So, keeping their climate control systems functioning properly should be a high priority for you.